Industrial USB to 4-channel RS485/422 converter, FT4232HL
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Industrial USB to 4CH RS485/422 Converter, FT4232HL
The USB to 4CH RS485/422 converter is an advanced industrial device that enables the conversion of USB to RS485/422 signals with full isolation. It uses the original FT4232HL chip to provide fast, stable and reliable connections, ideal for applications requiring high quality communication. Equipped with a variety of protective circuits such as power isolation, ADI magnetic isolation and transient voltage suppressor (TVS), this converter guarantees safety and durability in harsh industrial environments. The aluminium housing not only adds durability, but also facilitates installation thanks to its ability to be wall- or rail-mounted.
Offering easy operation thanks to an automatic transmit/receive circuit without delay, the converter enables fast and reliable communication between the USB port and various interfaces, without mutual interference. With advanced protection features such as TVS diodes, a self-correcting fuse and protection diodes, the converter provides stable current and voltage outputs, as well as overload and overvoltage protection. LED indicators allow monitoring of power and data transmission status, further enhancing user convenience.
Specifications:
- USB:
- Operating voltage: 5V
- Connector: USB-B
- Protection: 200mA self-resetting fuse, isolated output
- Isolated RS485/422:
- Connector: screw connector
- Directional control: Automatic hardware control
- Protection: TVS diode, overvoltage and ESD protection, power supply and signal isolation
- Resistor: Built-in 120R matching resistor, NC by default, activated by jumper
- Transmission mode: Point-to-multiple (485: up to 32 nodes, repeaters recommended at 16 nodes or more; 422: up to 256 nodes, repeaters recommended at 16 nodes or more)
- Transmission rate: 300bps ~ 921600bps
- Isolated RS485:
- Connector: screw connector
- Directional control: Automatic hardware control
- Protection: TVS diode, surge and ESD protection, power and signal isolation
- Resistor: Built-in 120R matching resistor, default NC, activated by jumper
- Transmission mode: Point-to-multiple (485: up to 32 nodes, repeaters recommended at 16 nodes or more)
- Transmission rate: 300bps ~ 921600bps
- Receive indicators (RX1~RX4) light up when data is received by the device ports
- Temperature range: -40 ~ 85℃
- Humidity range: 5%RH~95%RH
- Operating system: Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7
Product features:
- Adoption of the original FT4232HL chip for fast, stable and reliable communication and better compatibility.
- USB support up to 4-channel multi-function serial port, convenient to expand or debug various industrial serial devices.
- USB support for 2-channel isolated RS485/422 and 2-channel isolated RS485.
- Integrated power isolation provides stable isolated voltage, with no need for additional power supply for the isolated terminal.
- Integrated digital isolation provides signal isolation, high reliability, strong noise immunity and low power consumption.
- TVS protection suppresses surge and spike voltages, providing protection against lightning and ESD.
- Built-in self-correcting fuse and protection diodes provide stable current/voltage outputs, overload protection and improve shock resistance.
- Aluminium industrial housing, supports wall and rail mounting, durable and aesthetically pleasing.



Multifunctional serial port:

Original FT4232HL chip:

Safe, isolated design:

Multiple protective circuits:

Aluminium housing with DIN rail mounting support:

Presentation:

Dimensions:

Kit includes:
- USB DO 4CH RS485/422 x1
- Rail mounting bracket x1
- USB ~1.2m x1
- Screwdriver x1

Wiki: USB_TO_4CH_RS485/422



